Files
sense-installer/pkg/preflight/deployability.go
Ashwathi Shiva f4d0bd87f6 Preflight- Provide command into container (#301)
* Supply command as a script into container working
2020-04-09 08:05:43 -04:00

120 lines
3.6 KiB
Go

package preflight
import (
"fmt"
"k8s.io/client-go/kubernetes"
)
func (qp *QliksensePreflight) CheckDeployment(namespace string, kubeConfigContents []byte) error {
clientset, _, err := getK8SClientSet(kubeConfigContents, "")
if err != nil {
err = fmt.Errorf("Kube config error: %v\n", err)
fmt.Print(err)
return err
}
// Deployment check
fmt.Printf("Preflight deployment check: \n")
err = qp.checkPfDeployment(clientset, namespace, "deployment-preflight-check")
if err != nil {
fmt.Println("Preflight Deployment check: FAILED")
return err
}
fmt.Println("Completed preflight deployment check")
return nil
}
func (qp *QliksensePreflight) CheckService(namespace string, kubeConfigContents []byte) error {
clientset, _, err := getK8SClientSet(kubeConfigContents, "")
if err != nil {
err = fmt.Errorf("error: unable to create a kubernetes client: %v\n", err)
fmt.Println(err)
return err
}
// Service check
fmt.Printf("\nPreflight service check: \n")
err = checkPfService(clientset, namespace)
if err != nil {
fmt.Println("Preflight Service check: FAILED")
return err
}
fmt.Println("Completed preflight service check")
return nil
}
func (qp *QliksensePreflight) CheckPod(namespace string, kubeConfigContents []byte) error {
clientset, _, err := getK8SClientSet(kubeConfigContents, "")
if err != nil {
err = fmt.Errorf("error: unable to create a kubernetes client: %v\n", err)
fmt.Print(err)
return err
}
// Pod check
fmt.Printf("\nPreflight pod check: \n")
err = qp.checkPfPod(clientset, namespace)
if err != nil {
fmt.Println("Preflight Pod check: FAILED")
return err
}
fmt.Println("Completed preflight pod check")
return nil
}
func (qp *QliksensePreflight) checkPfPod(clientset *kubernetes.Clientset, namespace string) error {
// create a pod
podName := "pod-pf-check"
commandToRun := []string{}
pod, err := createPreflightTestPod(clientset, namespace, podName, qp.GetPreflightConfigObj().GetImageName(nginx), commandToRun)
if err != nil {
err = fmt.Errorf("error: unable to create pod %s - %v\n", podName, err)
return err
}
defer deletePod(clientset, namespace, podName)
if err := waitForPod(clientset, namespace, pod); err != nil {
return err
}
fmt.Println("Preflight pod creation check: PASSED")
fmt.Println("Cleaning up resources...")
return nil
}
func checkPfService(clientset *kubernetes.Clientset, namespace string) error {
// creating service
serviceName := "svc-pf-check"
pfService, err := createPreflightTestService(clientset, namespace, serviceName)
if err != nil {
err = fmt.Errorf("error: unable to create service : %s\n", serviceName)
return err
}
defer deleteService(clientset, namespace, serviceName)
_, err = getService(clientset, namespace, pfService.GetName())
if err != nil {
err = fmt.Errorf("error: unable to retrieve service: %s\n", serviceName)
return err
}
fmt.Println("Preflight service creation check: PASSED")
fmt.Println("Cleaning up resources...")
return nil
}
func (qp *QliksensePreflight) checkPfDeployment(clientset *kubernetes.Clientset, namespace, depName string) error {
// check if we are able to create a deployment
pfDeployment, err := createPreflightTestDeployment(clientset, namespace, depName, qp.GetPreflightConfigObj().GetImageName(nginx))
if err != nil {
err = fmt.Errorf("error: unable to create deployment: %v\n", err)
return err
}
defer deleteDeployment(clientset, namespace, depName)
if err := waitForDeployment(clientset, namespace, pfDeployment); err != nil {
return err
}
fmt.Println("Preflight Deployment check: PASSED")
fmt.Println("Cleaning up resources...")
return nil
}